chore(release): 4.2.1 release notes

## [4.2.1](watson-developer-cloud/python-sdk@v4.2.0...v4.2.1) (2020-01-17)

### Bug Fixes

* **nlu:** Add model property back in CategoriesOptions ([6d5ed34](watson-developer-cloud@6d5ed34))

chore(release): 4.2.0 release notes

# [4.2.0](watson-developer-cloud/python-sdk@v4.1.0...v4.2.0) (2020-01-16)

### Features

* **core:** Update core version ([88106fb](watson-developer-cloud@88106fb))
* **stt:** New param `end_of_phrase_silence_time` and `split_transcript_at_phrase_end` in `recognize` ([776dc86](watson-developer-cloud@776dc86))
* **stt:** New param `end_of_phrase_silence_time` and `split_transcription` in recognize_using_websocket ([040946f](watson-developer-cloud@040946f))

chore(release): 4.1.0 release notes

# [4.1.0](watson-developer-cloud/python-sdk@v4.0.4...v4.1.0) (2019-11-27)

### Features

* **assistantv1:** New param `new_disambiguation_opt_out ` in `create_dialog_node` ([5a5b840](watson-developer-cloud@5a5b840))
* **assistantv1:** New param `new_disambiguation_opt_out ` in `update_dialog_node() ` ([6e52e07](watson-developer-cloud@6e52e07))
* **assistantv1:** New param `webhooks` in `create_workspace()` and `update_workspace()` ([0134b69](watson-developer-cloud@0134b69))
* **assistantv1:** New properties `randomize` and `max_ssuggestions` in `WorkspaceSystemSettingsDisambiguation` ([27a8cd7](watson-developer-cloud@27a8cd7))
* **assistantv1:** New property `off_topic` in `WorkspaceSystemSettings` ([5f93c55](watson-developer-cloud@5f93c55))
* **discoveryv1:** `title` property not part of `QueryNoticesResult` and `QueryResult` ([2ce0ad3](watson-developer-cloud@2ce0ad3))
* **discoveryv2:** Add examples for discoveryv2 ([2b54527](watson-developer-cloud@2b54527))
* **discoveryv2:** New discovery v2 available on CP4D ([73df7e4](watson-developer-cloud@73df7e4))
* **VisualRecognitionv4:** New method `get_training_usage` ([a5bec46](watson-developer-cloud@a5bec46))

chore(release): 4.0.4 release notes

## [4.0.4](watson-developer-cloud/python-sdk@v4.0.3...v4.0.4) (2019-11-22)

### Bug Fixes

* **semrelease:** Provide proper git message for semantic release ([88e2c08](watson-developer-cloud@88e2c08))

[skip ci] Bump version: 4.0.2 -> 4.0.3

chore(release): 4.0.2 [skip ci]

## [4.0.2](watson-developer-cloud/python-sdk@v4.0.1...v4.0.2) (2019-11-11)

### Bug Fixes

* **semantic:** Fix semantic release stale commit ([f0eaafa](watson-developer-cloud@f0eaafa))

Bump version: 4.0.0 → 4.0.1

Bump version: 3.4.2 → 4.0.0

Bump version: 3.4.1 → 3.4.2

Bump version: 3.4.0 → 3.4.1